86661171

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 136360224

約数和(自身を除く): 49699053

約数列:

[1, 3, 9, 23, 27, 69, 81, 181, 207, 257, 543, 621, 771, 1629, 1863, 2313, 4163, 4887, 5911, 6939, 12489, 14661, 17733, 20817, 37467, 46517, 53199, 112401, 139551, 159597, 337203, 418653, 478791, 1069891, 1255959, 3209673, 3767877, 9629019, 28887057, 86661171]

約数ペア:

[(1, 86661171), (3, 28887057), (9, 9629019), (23, 3767877), (27, 3209673), (69, 1255959), (81, 1069891), (181, 478791), (207, 418653), (257, 337203), (543, 159597), (621, 139551), (771, 112401), (1629, 53199), (1863, 46517), (2313, 37467), (4163, 20817), (4887, 17733), (5911, 14661), (6939, 12489)]